12792616522978 has 8 divisors (see below), whose sum is σ = 19209187643472. Its totient is φ = 6389553975156.

The previous prime is 12792616522897. The next prime is 12792616522979. The reversal of 12792616522978 is 87922561629721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12792616522979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3377140800 + ... + 3377144587.

It is an arithmetic number, because the mean of its divisors is an integer number (2401148455434).

Almost surely, 2^{12792616522978} is an apocalyptic number.

12792616522978 is a deficient number, since it is larger than the sum of its proper divisors (6416571120494).

12792616522978 is an equidigital number, since it uses as much as digits as its factorization.

12792616522978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754286336.

The product of its digits is 91445760, while the sum is 67.

The spelling of 12792616522978 in words is "twelve trillion, seven hundred ninety-two billion, six hundred sixteen million, five hundred twenty-two thousand, nine hundred seventy-eight".